Base | Representation |
---|---|
bin | 11010010110111001… |
… | …010010101111101101 |
3 | 2201001101002100022022 |
4 | 122112321102233231 |
5 | 430430124431130 |
6 | 21000153155525 |
7 | 2021222655215 |
oct | 322671225755 |
9 | 81041070268 |
10 | 28301405165 |
11 | 11003450650 |
12 | 559a0bbba5 |
13 | 28904bb2b7 |
14 | 1526a0b245 |
15 | b099517e5 |
hex | 696e52bed |
28301405165 has 32 divisors (see below), whose sum is σ = 37713600000. Its totient is φ = 20216401920.
The previous prime is 28301405149. The next prime is 28301405173. The reversal of 28301405165 is 56150410382.
It is not a de Polignac number, because 28301405165 - 24 = 28301405149 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 821711 + ... + 855459.
It is an arithmetic number, because the mean of its divisors is an integer number (1178550000).
Almost surely, 228301405165 is an apocalyptic number.
It is an amenable number.
28301405165 is a deficient number, since it is larger than the sum of its proper divisors (9412194835).
28301405165 is a wasteful number, since it uses less digits than its factorization.
28301405165 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34037.
The product of its (nonzero) digits is 28800, while the sum is 35.
The spelling of 28301405165 in words is "twenty-eight billion, three hundred one million, four hundred five thousand, one hundred sixty-five".
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